title: [PrenaTest].
authors.forename: R
authors.initials: R
authors.lastname: Velev
authors.forename: M
authors.initials: M
authors.lastname: Mircheva
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis* / Q000235:genetics; D005260:Female; D005820:Genetic Testing / Q000379:methods*; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*